The idea that European explorers and Polynesian voyagers were the first to master the open ocean is being challenged by stunning new discoveries in the Philippines and Timor-Leste.
Recent archaeological published in the Journal of Archaeological Science, evidence suggests that prehistoric sailors in Southeast Asia were navigating the seas at least 40,000 years ago, making them some of the earliest known mariners in human history.
At excavation sites in Mindoro and Timor-Leste, researchers have found stone tools with microscopic traces of plant fibers, indicating that these ancient islanders were processing materials to make ropes and other essential components for boatbuilding.
These findings suggest that they had already developed advanced maritime technology—thousands of years before civilizations like the Austronesians or Polynesians, who are often credited with early long-distance ocean travel.
Mastering the Sea with Plant Fiber Technology
Long before the rise of metal tools, these early navigators were crafting strong, durable ropes from plant fibers—an essential innovation for constructing boats that could withstand long journeys between islands.
The ability to bind wooden and reed structures together points to an organized, strategic approach to seafaring, rather than primitive or accidental drift voyages.
This discovery suggests that these ancient sailors were far from isolated hunter-gatherers—instead, they were skilled navigators who understood how to use natural resources to expand their reach across the region.
Deep-Sea Fishing Proves Advanced Navigation Skills
One of the most compelling pieces of evidence comes from the remains of deep-sea fish—including tuna and sharks—found at the excavation sites. These species do not live in shallow coastal waters, meaning that these early seafarers were venturing far offshore to hunt their prey.
This challenges the notion that prehistoric humans simply drifted on rafts from one island to another. Instead, it suggests they had a deep understanding of ocean currents, fish migration patterns, and seasonal weather conditions—a level of maritime knowledge that rivals even the famed Polynesian navigators who arrived much later in history.
Reconstructing Ancient Boats to Prove Their Capabilities
To test these theories, researchers from Ateneo de Manila University have launched the First Long-Distance Open-Sea Watercrafts (FLOW) project. This groundbreaking initiative aims to recreate and sail ancient-style boats using the same materials and techniques identified at the archaeological sites.
By doing so, scientists hope to prove that these early sailors were capable of controlled, long-distance ocean travel—long before history books typically credit humanity with mastering the sea.
These discoveries radically change our understanding of early human exploration. The Philippines may have been home to some of the world’s first great navigators, who skillfully bridged vast oceanic distances at a time when much of humanity was still confined to land.